We are no longer offering accounts on this server. Consider https://gitlab.freedesktop.org/ as a place to host projects.

public.php 6.94 KB
Newer Older
Evan Prodromou's avatar
Evan Prodromou committed
1
<?php
2 3
/**
 * Laconica, the distributed open-source microblogging tool
Evan Prodromou's avatar
Evan Prodromou committed
4
 *
5 6 7 8 9
 * Action for displaying the public stream
 *
 * PHP version 5
 *
 * LICENCE: This program is free software: you can redistribute it and/or modify
Evan Prodromou's avatar
Evan Prodromou committed
10 11 12
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
Evan Prodromou's avatar
Evan Prodromou committed
13
 *
Evan Prodromou's avatar
Evan Prodromou committed
14 15 16 17
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
Evan Prodromou's avatar
Evan Prodromou committed
18
 *
Evan Prodromou's avatar
Evan Prodromou committed
19 20
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
21 22 23 24 25 26 27
 *
 * @category  Public
 * @package   Laconica
 * @author    Evan Prodromou <evan@controlyourself.ca>
 * @copyright 2008-2009 Control Yourself, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link      http://laconi.ca/
Evan Prodromou's avatar
Evan Prodromou committed
28 29
 */

30 31 32
if (!defined('LACONICA')) {
    exit(1);
}
Evan Prodromou's avatar
Evan Prodromou committed
33

34
require_once INSTALLDIR.'/lib/publicgroupnav.php';
35
require_once INSTALLDIR.'/lib/noticelist.php';
36
require_once INSTALLDIR.'/lib/feedlist.php';
37

38 39 40 41 42 43 44 45 46 47 48 49
/**
 * Action for displaying the public stream
 *
 * @category Public
 * @package  Laconica
 * @author   Evan Prodromou <evan@controlyourself.ca>
 * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link     http://laconi.ca/
 *
 * @see      PublicrssAction
 * @see      PublicxrdsAction
 */
Evan Prodromou's avatar
Evan Prodromou committed
50

51
class PublicAction extends Action
52
{
53 54 55
    /**
     * page of the stream we're on; default = 1
     */
Evan Prodromou's avatar
Evan Prodromou committed
56

57
    var $page = null;
58

Evan Prodromou's avatar
Evan Prodromou committed
59 60 61 62 63
    function isReadOnly()
    {
        return true;
    }

64 65 66 67 68 69 70
    /**
     * Read and validate arguments
     *
     * @param array $args URL parameters
     *
     * @return boolean success value
     */
71

72 73 74 75
    function prepare($args)
    {
        parent::prepare($args);
        $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
76

77
        common_set_returnto($this->selfUrl());
78

79 80
        return true;
    }
81

82 83 84 85 86 87 88 89 90
    /**
     * handle request
     *
     * Show the public stream, using recipe method showPage()
     *
     * @param array $args arguments, mostly unused
     *
     * @return void
     */
91

92 93 94
    function handle($args)
    {
        parent::handle($args);
95

96
        header('X-XRDS-Location: '. common_local_url('publicxrds'));
97

98
        $this->showPage();
99 100
    }

101 102 103 104 105 106 107
    /**
     * Title of the page
     *
     * @return page title, including page number if over 1
     */

    function title()
108
    {
109 110
        if ($this->page > 1) {
            return sprintf(_('Public timeline, page %d'), $this->page);
111
        } else {
112
            return _('Public timeline');
113 114 115
        }
    }

116 117 118 119 120
    /**
     * Output <head> elements for RSS and Atom feeds
     *
     * @return void
     */
121

122
    function getFeeds()
123
    {
124 125 126 127 128 129 130 131 132 133 134 135
        return array(new Feed(Feed::RSS1, common_local_url('publicrss'),
                              _('Public Stream Feed (RSS 1.0)')),
                     new Feed(Feed::RSS2,
                              common_local_url('api',
                                               array('apiaction' => 'statuses',
                                                     'method' => 'public_timeline.rss')),
                              _('Public Stream Feed (RSS 2.0)')),
                     new Feed(Feed::ATOM,
                              common_local_url('api',
                                               array('apiaction' => 'statuses',
                                                     'method' => 'public_timeline.atom')),
                              _('Public Stream Feed (Atom)')));
136 137 138 139 140 141 142 143 144 145 146 147 148 149 150
    }

    /**
     * Extra head elements
     *
     * We include a <meta> element linking to the publicxrds page, for OpenID
     * client-side authentication.
     *
     * @return void
     */

    function extraHead()
    {
        // for client side of OpenID authentication
        $this->element('meta', array('http-equiv' => 'X-XRDS-Location',
151 152 153
                                     'content' => common_local_url('publicxrds')));
    }

154 155 156 157 158 159 160 161 162 163
    /**
     * Show tabset for this page
     *
     * Uses the PublicGroupNav widget
     *
     * @return void
     * @see PublicGroupNav
     */

    function showLocalNav()
164
    {
165 166 167 168
        $nav = new PublicGroupNav($this);
        $nav->show();
    }

169 170
    function showPageNotice()
    {
171
        $notice = new Notice;
172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195

        if (!$notice) {
            $this->serverError(_('Could not retrieve public stream.'));
            return;
        }

        if ($notice->count()) {
            return;
        }

        $message = _('This is the public timeline for %%site.name%% but noone has posted anything yet.') . ' ';

        if (common_logged_in()) {
            $message .= _('Be the first to post!');
        }
        else {
            $message .= _('Why not [register an account](%%action.register%%) and be the first to post!');
        }

        $this->elementStart('div', 'blankfiller');
        $this->raw(common_markup_to_html($message));
        $this->elementEnd('div');
    }

196 197 198 199 200 201 202 203
    /**
     * Fill the content area
     *
     * Shows a list of the notices in the public stream, with some pagination
     * controls.
     *
     * @return void
     */
204

205 206 207
    function showContent()
    {
        $notice = Notice::publicStream(($this->page-1)*NOTICES_PER_PAGE,
208 209 210
                                       NOTICES_PER_PAGE + 1);

        if (!$notice) {
211
            $this->serverError(_('Could not retrieve public stream.'));
212
            return;
213
        }
214

215
        $nl = new NoticeList($notice, $this);
216 217

        $cnt = $nl->show();
218

219 220 221 222
        $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
                          $this->page, 'public');
    }

223 224
    function showSections()
    {
225 226
        // $top = new TopPostersSection($this);
        // $top->show();
227 228
        $pop = new PopularNoticeSection($this);
        $pop->show();
229 230
        $gbp = new GroupsByPostsSection($this);
        $gbp->show();
231 232
        $feat = new FeaturedUsersSection($this);
        $feat->show();
233
    }
234 235 236

    function showAnonymousMessage()
    {
237 238 239 240 241 242 243 244
        if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
	    $m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
                  'based on the Free Software [Laconica](http://laconi.ca/) tool. ' .
                  '[Join now](%%action.register%%) to share notices about yourself with friends, family, and colleagues! ([Read more](%%doc.help%%))');
        } else {
            $m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
                   'based on the Free Software [Laconica](http://laconi.ca/) tool.');
        }
sarven's avatar
sarven committed
245
        $this->elementStart('div', array('id' => 'anon_notice'));
246
        $this->raw(common_markup_to_html($m));
Evan Prodromou's avatar
Evan Prodromou committed
247
        $this->elementEnd('div');
248
    }
249
}